Question

Q21. Find the value of k in each of the following.​

Answer 1

Answer:

15/4

Step-by-step explanation:

(2/3)^3×(2/3)^6=(4/9)^2k-3

(2/3)^3×(2/3)^6=(2/3)^9 a^n×a^m=a^n+m

(2/3)^9=(4/9)^2k-3

(2/3)^9=(2/3)^2(2k-3)

(2/3)^9=(2/3)^4k-6

9=4k-6

9+6=4k

15/4=k